fix(lint): use plain comments for architecture validator codes

Replace # noqa: SVC-006 with # SVC-006 to avoid ruff warnings about
unknown codes. Updated architecture validators to match the new format
by checking for the code string directly instead of the noqa: prefix.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/cms/routes/api/store_content_pages.py

@@ -27,7 +27,7 @@ from app.modules.cms.schemas import (
 from app.modules.cms.services import content_page_service
 from app.modules.tenancy.models import User
 from app.modules.tenancy.services.store_service import (
-    StoreService,  # noqa: MOD-004 - shared platform service
+    StoreService,  # MOD-004 - shared platform service
 )
 
 store_service = StoreService()

app/modules/cms/routes/pages/store.py

@@ -14,7 +14,7 @@ from sqlalchemy.orm import Session
 from app.api.deps import get_current_store_from_cookie_or_header, get_db
 from app.modules.cms.services import content_page_service
 from app.modules.core.services.platform_settings_service import (
-    platform_settings_service,  # noqa: MOD-004 - shared platform service
+    platform_settings_service,  # MOD-004 - shared platform service
 )
 from app.modules.tenancy.models import Store, User
 from app.templates_config import templates